Tag: science & technology

Many bird species engage in a behavior called 'anting,' where they deliberately allow ants to crawl through their feathers. The ants release formic acid, which acts as a natural insecticide and fungicide, helping the birds control parasites and maintain feather health.

Camels have three eyelids - two with lashes and a third transparent eyelid that acts like a windshield wiper. This third eyelid sweeps horizontally across the eye to remove sand and protect against harsh desert conditions. The other options (two, no, single) are all incorrect.

Small birds with extremely high metabolic rates, such as hummingbirds and chickadees, must consume approximately twice their body weight daily. This massive food intake is necessary to fuel their rapid metabolism and maintain their energy levels. Options like 10%, half, or equal to are insufficient for their energy needs.

Giraffes are unique among mammals because they lack vocal cords and cannot produce vocal sounds. They communicate through body language, postures, and other non-vocal means. Giraffes do have tongues, horns (ossicones), and teeth - the only correct answer is vocal cords.

During World War II, Americans experimented with training bats to carry small incendiary devices in the 'Bat Bomb Project.' The plan was for bats to roost in Japanese buildings, causing widespread fires when the timers detonated. The project was cancelled but bats were indeed the animals trained.

Butterflies have taste receptors on their feet, specifically their hind feet, which allow them to taste plants they land on. This helps them identify suitable host plants for laying eggs - they 'taste' with their feet before depositing eggs. The other body parts listed are not their primary taste organs.

A single honey bee must visit approximately 4,000 flowers to collect enough nectar to produce just one tablespoon of honey. This demonstrates the incredible effort and efficiency required in honey production. The other options (4,00, 40) are far too low, and 4,0000 is incorrectly formatted and too high.